vulnerability
Ubuntu: (CVE-2024-26705): linux-raspi-realtime vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Apr 3, 2024 | Feb 11, 2025 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Apr 3, 2024
Added
Feb 11, 2025
Modified
Aug 18, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
parisc: BTLB: Fix crash when setting up BTLB at CPU bringup
When using hotplug and bringing up a 32-bit CPU, ask the firmware about the
BTLB information to set up the static (block) TLB entries.
For that write access to the static btlb_info struct is needed, but
since it is marked __ro_after_init the kernel segfaults with missing
write permissions.
Fix the crash by dropping the __ro_after_init annotation.
Solution
ubuntu-upgrade-linux-raspi-realtime
References
- CVE-2024-26705
- https://attackerkb.com/topics/CVE-2024-26705
- CWE-862
- URL-https://git.kernel.org/linus/913b9d443a0180cf0de3548f1ab3149378998486
- URL-https://git.kernel.org/stable/c/54944f45470af5965fb9c28cf962ec30f38a8f5b
- URL-https://git.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486
- URL-https://git.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10b
- URL-https://www.cve.org/CVERecord?id=CVE-2024-26705
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